class DayLink:
    def __init__(self):
        self._day_num = None
        self._link = None
        self._time_str = None

    #
    @property
    def day_num(self):
        return self._day_num

    @day_num.setter
    def day_num(self, day_num):
        self._day_num = day_num

    @property
    def link(self):
        return self._link

    @link.setter
    def link(self, link):
        self._link = link

    @property
    def time_str(self):
        return self._time_str

    @time_str.setter
    def time_str(self, time_str):
        self._time_str = time_str
